at 100 miles an hour in a lamborghini. the sergeant later said he was just kidding. but he has been assigned to administrative duty while internal affairs sorts through this mess. he is reportedly just months away from retirement, as well. the chief promises some swift and severe discipline if it turns out to be true. >>> bart is giving extra security this holiday season. and cbs 5 reporter cate caugiran is at the westfield shopping center here in the city and cate, shoppers headed to the malls on bart trains are apparently big targets for thieves. right? >> reporter: that's right, frank. you know, when you're holiday shopping it's really easy to get distracted when you're coming from the stores especially to the bart stations. so bart is launching a safety campaign to make sure that you are safe this holiday season. now, last night, at the west oakland station, bart partnered with oakland police, private, volunteer security guards offering escorts for riders to their cars. oakland police and bart say this is a move to let